Chemical products

The contract is intended to meet technical plants need for polymer to the wastewater treatment plant Nykvarn in Linköping.

Background:

For B wastewater treatment Nykvarn in Linköping is a need for anionic and cationic polymers which are used as flocculants. The polymer used in three different stages of drainage process, including pre-precipitation according FAST principle, föravvattning and slutavvattning.

Purpose and goal:

The purpose of this call is to inform and qualify for the next L FFU. L interested are asked to send in their applications using the form in TendSign. Only qualified L are then given access to the FFU, and then have the opportunity to tender.

The purpose of this procurement is to cater B needs and ensure delivery of the polymer to B wastewater treatment plant.

Extent:

The contract includes the supply and successive deliveries of the polymer which is used as a flocculant to the sewage treatment plant B at the seat of Linköping.

The contract relates to anionic and cationic polymer in powder form to be delivered in big bags (about 700 kg).

B uses the following polymers:

- Zetag 4125 in förfällningen.

- Zetag 8180 in förfällningen and föravvattningen.

- Zetag 8167 in slutavvattningen.

The contract includes specified or equivalent polymer. Type of polymer may need to be replaced if the sludge character change or process change during the next contract period.

Estimated årsförbrukningar:

- Zetag 4125 about 1 ton.

- Zetag 8180 about 40 tons.

- Zetag 8167 about 40 tons.

Note that the scope of the assignment is only valued and applies without obligation.

During the contract period, changes occur on the basis of group decisions, operational changes and more that can affect demand and volume. L is obliged to deliver the real need.

Water-treatment chemicals

This request comes Circulation and underwater needs of quicklime used as a chemical for pH adjustment and alkalinization in the preparation process of Alelyckans and Lackarebäcks waterworks.

The framework agreement covers current supply of quicklime (calcium oxide, CaO) to about 1 600 tonnes per year. The client can not connect to the specified volumes, but admitted bidder / supplier can deliver the real need whether it exceeds or falls below the reported volumes.